spellcast It's like 'make', but with a touch of Wizardry.
string-kit A string manipulation toolbox, featuring a string formatter (inspired by sprintf), a variable inspector (output featuring ANSI colors and HTML) and various escape functions (shell argument, regexp, html, etc).
terminal-kit 256 colors, keys & mouse, input field, screen buffer, interactive 'yes or no', and many more... Whether you just need colors & styles, build a simple interactive command line tool or a complexe terminal app: this is the absolute terminal lib for Node.js!
tif-parser Tab Indented Format Parser used as first stage parser.
tree-kit Tree utilities which provides a full-featured extend and object-cloning facility, and various tools to deal with nested object structures.